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[OFFICIAL] GTX 670 Overclocking - Page 2

post #11 of 1459
I got the reference GTX 670. I'm using MSI Afterburner and would like to know whether this is safe?

core voltage @ +0 (default)
power limit @ 100% (default)
core clock @ 1000mHz (default is 915mHz)
memory @ 1505mHz (default)
post #12 of 1459
Quote:
Originally Posted by Empr1ze View Post

I got the reference GTX 670. I'm using MSI Afterburner and would like to know whether this is safe?
core voltage @ +0 (default)
power limit @ 100% (default)
core clock @ 1000mHz (default is 915mHz)
memory @ 1505mHz (default)

Anything you can do at the moment is safe on these cards as they have a locked voltage. You could literally jack all the sliders to the max without causing damage. It would just cause your computer to crash or you'd get graphical anomalies. I wouldn't recommend it of course, but I'm just throwing that info out there to ease your worries. But as for your specific numbers, those are a bit on the low end, you could definitely bump them up quite a ways (1050core and 1600memory at least).
post #13 of 1459
Do you guys think I should upgrade to a Seasonic power supply? I'm wondering if my craptastic, and god awfully loud Cooler Master power supply is holding me back.. I was thinking of this one:

http://www.newegg.com/Product/Product.aspx?Item=N82E16817151095
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post #14 of 1459
Quote:
Originally Posted by SeanPoe View Post

Anything you can do at the moment is safe on these cards as they have a locked voltage. You could literally jack all the sliders to the max without causing damage. It would just cause your computer to crash or you'd get graphical anomalies. I wouldn't recommend it of course, but I'm just throwing that info out there to ease your worries. But as for your specific numbers, those are a bit on the low end, you could definitely bump them up quite a ways (1050core and 1600memory at least).

Thanks for the info +1 rep!
post #15 of 1459
Quote:
Originally Posted by Empr1ze View Post

Thanks for the info +1 rep!

To add to what i said, you should just add 25mhz to your core clock and then run 3dmark11 (there's free copies out there) and check the graphics score. If it goes up (even slightly) and you don't crash or green/blue screen and there's no graphical anomalies on the screen during the bench, then bump it an additional 25mhz. Keep doing this until either the graphics score starts to drop, you crash, or you have graphical artifacts, and then drop the core clock by 12mhz and test again. If it's stable there, bump it up 6mhz and try again. If it's stable there then just stay there for now. Then you'd repeat the same on the memory (though i'd start with increments of 50mhz, then 25, then 12, etc) until it's stable. Once you think you have a stable max-OC then you should try some other benchmarks and games and see if you crash or have artifacts. If you do then you will need to start bumping things down until you become stable again. Once you're there, you could take a more advanced step that usually isn't worth doing if you don't care about truly maxing your overclock, and try dropping your core clock and bumping your memory a little bit to see if that increases your performance, if it does, keep going until you reach instability and then back off a bit.
post #16 of 1459
Can I suggest you take some examples from the 500 series OC threads and request evidence too, otherwise this may end up being just like the Heaven thread where everyone appears to be paranoid about the scores posted.

Glad to see a thread like this appeared finally..
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post #17 of 1459
Thread Starter 
Quote:
Originally Posted by error-id10t View Post

Can I suggest you take some examples from the 500 series OC threads and request evidence too, otherwise this may end up being just like the Heaven thread where everyone appears to be paranoid about the scores posted.
Glad to see a thread like this appeared finally..

Will do, thanks for the suggestion. Thread updated.
post #18 of 1459
Thanks for posting this thread. Makes it a lot easier to view averages/ranges of max OCs from different users. I'm almost completely sold on the Gigabyte non-ref one, but as both it and the ASUS have not been released yet where I live, I'll happily scour this thread for info.
post #19 of 1459
I can do some 3d mark 11 benchmarks that I know aren't 100% game stable.
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post #20 of 1459
Quote:
Originally Posted by BababooeyHTJ View Post

I can do some 3d mark 11 benchmarks that I know aren't 100% game stable.

Me too. These cards are very tolerant of instability. So far I think the best test is to sit there and watch Heaven, maxed out, in full screen mode ... watching for any artifacts. It's boring as hell cause sometimes I'll only see one for each entire loop ... but ... haven't found something better yet. I suspect that if I tried OCCT it would fail miserably at my current clocks, but since they're totally game and Heaven stable (so far) I'm not going to stress on it, just gonna run 'em and see what happens.
    
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